scholdoc-texmath-0.1: tests/readers/mml/munder-10.native

[EUnder False (EIdentifier "B") (EIdentifier "long under script"),ESymbol Rel "=",EUnder False (EGrouped [EPhantom (EText TextNormal "x"),EIdentifier "B",EPhantom (EText TextNormal "x")]) (EIdentifier "long under script")]